pH | FO.AC | T.AC | MO.AC | FA.AC | NEUT | FA.BA |
pH with water | 3.5 - 4.2 | 4.2 - 5.2 | 5.2 - 6.2 | 6.2 - 6.9 | 6.9 - 7.6 | 7.6 - 8.5 |
pH with KCl | 3.0 - 4.0 | 4.0 - 5.0 | 5.0 - 6.0 | 6.0 - 6.8 | 6.8 - 7.2 | 7.2 - 8.0 |